[PATCH v2] arm64: dts: qcom: sc7180: Add Display Port dt node

From: Tanmay Shah
Date: Thu Jun 18 2020 - 19:22:14 EST


Enable DP driver for sc7180.

This change depends-on following series:
https://patchwork.freedesktop.org/series/78583/
and https://patchwork.freedesktop.org/patch/351990/

Changes in v2:

- Add assigned-clocks and assigned-clock-parents
- Remove cell-index and pixel_rcg
- Change compatible to qcom,sc7180-dp

Signed-off-by: Tanmay Shah <tanmay@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 57 ++++++++++++++++++++++++++--
1 file changed, 53 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 916401f7e87c..26fe623e3b0f 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -2216,10 +2216,19 @@ ports {
#address-cells = <1>;
#size-cells = <0>;

+ port@1 {
+ reg = <1>;
+ dpu_intf1_out: endpoint {
+ remote-endpoint =
+ <&dsi0_in>;
+ };
+ };
+
port@0 {
reg = <0>;
- dpu_intf1_out: endpoint {
- remote-endpoint = <&dsi0_in>;
+ dpu_intf0_out: endpoint {
+ remote-endpoint =
+ <&dp_in>;
};
};
};
@@ -2293,6 +2302,46 @@ dsi_phy: dsi-phy@ae94400 {
};
};

+ msm_dp: displayport-controller@ae90000{
+ status = "ok";
+ compatible = "qcom,sc7180-dp";
+
+ reg = <0 0xae90000 0 0x1400>;
+ reg-names = "dp_controller";
+
+ interrupt-parent = <&mdss>;
+ interrupts = <12 0>;
+
+ clocks = <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
+ <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
+ <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
+ <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
+ clock-names = "core_aux", "ctrl_link",
+ "ctrl_link_iface", "stream_pixel";
+ #clock-cells = <1>;
+ assigned-clocks = <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
+ assigned-clock-parents = <&msm_dp 1>;
+
+ data-lanes = <0 1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ dp_in: endpoint {
+ remote-endpoint =
+ <&dpu_intf0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dp_out: endpoint { };
+ };
+ };
+ };
+
dispcc: clock-controller@af00000 {
compatible = "qcom,sc7180-dispcc";
reg = <0 0x0af00000 0 0x200000>;
@@ -2300,8 +2349,8 @@ dispcc: clock-controller@af00000 {
<&gcc GCC_DISP_GPLL0_CLK_SRC>,
<&dsi_phy 0>,
<&dsi_phy 1>,
- <0>,
- <0>;
+ <&msm_dp 0>,
+ <&msm_dp 1>;
clock-names = "bi_tcxo",
"gcc_disp_gpll0_clk_src",
"dsi0_phy_pll_out_byteclk",
--
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